Maricopa County property record for 528 S Extension Rd, Mesa, AZ 85210
| Property Type | Office Building |
|---|---|
| Details | 2 ba · 1,774 sqft · built 1955 |
| Lot Size | 0.323 acres (14,070 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $3,627 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 134-11-024F |
| Primary APN | 134-11-024F |
|---|
| Full Baths | 2 Baths |
|---|---|
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,774 sqft Total Area |
| 1st Floor Area | 1,774 sqft |
| Year Built | Built 1955 |
|---|---|
| Exterior Material | Frame Brick |
| Construction Type | Concrete |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 14,070 sqft (0.323 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Package Unit |
| Street Address | 528 S EXTENSION RD |
|---|---|
| City | MESA |
| State | AZ |
| Zip | 85210-2202 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | OC |
| Legal Description | PT NE4 NW4 BEG AT PT 260.33F N OF SE COR NE4 NW4 W 150.78F N 130.54F E 154.83F S 130.68F TO POB EX E 45F RD |
| Legal Range | 05E |
| Legal Township | 01N |
| Legal Section | 28 |
| Legal Quarter | NW |
| Quarter-Quarter Section | NE |
| Jurisdiction | MARICOPA AZ |
| Township / Civil Division | PHOENIX |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 422106 |
The current owner of 528 S Extension Rd acquired it in June 2007.
Source: Maricopa County records, as of November 20, 2025
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 4229 E HALE ST, MESA, AZ 85205-4062 |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 28, 2007 |
| Transfer Doc | 0000747832 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 528 S Extension Rd was $3,627.
Source: Maricopa County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Arizona |
| County | Maricopa County |
| Municipality | Mesa City |
| Unified School District | Mesa Unified District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $52,452 | $338,400 Land $220,400 Building $118,000 | |
| 2025 | $3,627.00 | ||
| 2024 | $49,418 | $299,500 Land $218,900 Building $80,600 | |
| 2023 | $3,866.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 528 S Extension Rd in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 528 S Extension Rd has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF MESA serves 466,000 people · EPA ID AZ0407095 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| Lead | 5 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 24 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 715 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Tristate Wi-Fi by Wi-Fiber Fixed Wireless | 400 / 400 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Google Fiber.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures